UE 5 Play Services Cloud Save

I am developing an Android game with UE 5.4 (Blueprint). I published my game on the Play Store and activated Play Services, but I don’t know how to save my local save game files to the cloud. I checked the Varest plugin and looked through the documentation, but I couldn’t understand anything. So far, the only thing I’ve managed to do is get the player to connect to Play Services when they open the game, that’s it.